EnergyPlus Air to Water Heat Pump

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Since E+ still doesn't have this object (unless I'm missing something?) we've borrowed the method from Sefaira here to use a little EMS code to calculate an efficiency, and then assign that energy to an exterior light. I'm assuming they chose an exterior light because it was pretty simple and many building don't have them modeled, but it's causing some issues with the meter files as the boiler energy still shows up (and in this case I can't just remove that variable, since I need the output meters to be consistent throughout many models).

So my questions:

1 does anyone have any better/more direct methods of modeling air source HPs?

2 if not, is there a way to either zero out the boiler energy via EMS, or just adjust it to not use the exterior light at all? From digging around it seems like it's not really possible to just change the energy of an object like this (for obvious reasons I'm sure).

Thanks